I might suggest a smaller plate! I know on sw we're allowed unlimited free food, but that is one mountain of food in your pic. As we lose weight our bodies need less energy, so what might've been an ok amount to lose weight on before might be too much now- you have lost loads so far!
Ok, lazy dinners are easy:
Casserole & vegetable mash (cooks for about 2 hours unsupervised, and you can make extra to freeze)
Stuffed Chicken breast (hea of cheese inside), wrapped in bacon, whacked on a baking tray with vegetables (peppers, butternut squash, cherry toms, courgette & onion) and cook for about half hour.
The lemon & garlic chicken roast bake in the sw mag was easy & delicious (chicken thighs, carrots, onions, courgette, new potatoes, squash & onions cooked for 40 mins)
If you've got a wok there are loads of really quick and easy meals, stir-fries, special fried rice, curry etc.
As the others have said, variety is the key, not just because it keeps us interested, but because the body needs variety to give it all thr right vitamins and minerals it needs.